If you're looking to support mitochondrial function and cellular energy production, this delivers 20mg of **PQQ** per softgel — right at the top of the 10–20mg clinical range studied for cognitive and mitochondrial benefits. One capsule daily gets you to a full effective dose.

PQQ (pyrroloquinoline quinone) has emerging research supporting its role in promoting the growth of new mitochondria and protecting existing ones from oxidative damage. The evidence base is still developing, with most human studies being small, but the results so far are promising for your energy and brain health.

The clinical research on PQQ is limited compared to more established supplements. You're getting a well-dosed product, but keep your expectations calibrated — this is an area where the science is still catching up to the interest.

BioStacks
California Gold Nutrition

PQQ 20 mg

Capsule · 30 servings · $0.32/serving

45 / 100Average

Supports

Score Breakdown

Formulation
45
Safety
100
Final score
45/100

Ingredients (1)

Pyrroloquinoline Quinone20 mg

Within effective range

Label Nutrition Facts

Other Ingredients

Fillers, coatings, and additives

5Safe

GlycerinHumectant

Safe

StarchBinder

Safe

Rice Bran WaxCoating

Safe

Sunflower LecithinEmulsifier

Safe

Purified WaterSolvent

Safe

Maltitol

Unknown

Rice Bran Oil (rice oil)

Unknown

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.